diff options
| author | Keith Whitwell <keith@tungstengraphics.com> | 2008-05-23 09:14:17 +0100 |
|---|---|---|
| committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-05-23 09:16:58 +0100 |
| commit | 3b41d619a1b7cc8c356c32af777486461ddd7926 (patch) | |
| tree | 2296fdef018853d0b83e3eafd7be7ef6adf5fec4 | |
| parent | adc1f88fc9278bdbb3b24a6d48f91a0bd98e9f1c (diff) | |
draw: faster LIT(), incorrect though
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_aos.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c index 930914f609..b0c3ac49d2 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos.c +++ b/src/gallium/auxiliary/draw/draw_vs_aos.c @@ -1098,7 +1098,13 @@ static boolean emit_LIT( struct aos_compilation *cp, const struct tgsi_full_inst * Note: use 1.0 to avoid passing zero to */ x87_fldz(cp->func); /* 1 0 */ +#if 1 + x87_fld1(cp->func); /* 1 0 */ +#else + /* Correct but slow due to fp exceptions generated in fyl2x - fix me. + */ x87_fldz(cp->func); /* 1 0 */ +#endif x87_fld_src(cp, &op->FullSrcRegisters[0], 1); /* a1 1 0 */ x87_fcomi(cp->func, st2); /* a1 1 0 */ x87_fcmovb(cp->func, st1); /* a1' 1 0 */ |